PPG PS860 B-1/6 Quick Repair Fuel Tank Sealant
PPG PS 860 Class B-1/6 was a quick repair, aircraft integral fuel tank sealant with a service temperature range from -54°C to 121°C, and intermittent excursions up to 135°C. This product is no longer available, with PPG recommending PPG PR1826 B-1/4 as a possible alternative.